16 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHEngine Code
Leading reported evidence
Use 3.2 boxter engine
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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1
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Leading evidence: 'Use 3.2 boxter engine' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace m9604' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
Can i replace it with another engine with code m9601 or m9602 or i have to change the wire from my m9604
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
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Suggestion
I will have to use the air intake and wire from my 996 and will work or is more complicated
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
16 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261026T105141Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
The Engine Code numbers on the label of my maintenance manuel do not relate to the descriptions of engine codes in the "996 Essential Companion" book. They are M9604-661. Should I be suspicious? Maybe somebody here can help.
I think the Essentials book is giving you the code stamped onto the engine itself like M96.01, M96.02 and M96.03.
Is that what you are seeing?
Maybe this will help.
EXPLANATION OF ENGINE NUMBERS
=============================
DIGIT: 1 2 3 4 5 6 7 8
EXAMPLE: 6 6 W 0 0 1 3 6
= = = =========
! ! ! !
ENGINE TYPE (6 = 6-CYL.-ENGINE)-----------------------+ ! ! !
! ! !
ENGINE VERSION ----------- --------------------------- + ! !
! !
MODEL YEAR -----------------------------------------------+ !
!
SERIAL NUMBER ------------ --------------------------------------+
ENGINE
VEHICLE TYPE TYPE MY ENGINE NO. TECHNICAL DATA
911 CARRERA M96.01 98 W 66W 00501>60000 6ZYL/3,4L /220 KW
911 CARRERA M96.01 99 X 66X 00501>60000 6ZYL/3,4L /220 KW
911 CARRERA +M620 C4 M96.02 99 X 68X 00501>60000 6ZYL/3,4L /220 KW
911 CARRERA 2/4 M96.04 00 Y 66Y 00501>60000 6ZYL/3,4L /220 KW
911 CARRERA 2/4 M96.04 01 1 661 00501>60000 6ZYL/3,4L /220 KW
911 CARRERA 2/4/4S FL M96.03 02 2 662 00501>60000 6ZYL/3,6L /232 KW
911 CARRERA 2/4/4S FL M96.03 03 3 663 00501>60000 6ZYL/3,6L /235 KW
911 CARRERA 2/4/4S FL M96.03 04 4 664 00501>60000 6ZYL/3,6L /235 KW
911 CARRERA 2/4/4S FL M96.03 05 5 665 00501>60000 6ZYL/3,6L /235 KW
I have an engine 3.4 m9604 2001 model which is broken. Can i replace it with another engine with code m9601 or m9602 or i have to change the wire from my m9604
Any 3.4l motor from a 996 will work. There were some minor changes to some sensors and vacuum line differences over the years due to options. Also the throttle bodies are a cable version to 99.
That being said as long as u swap the sensors (or verify same) and extenal stuff over it will work with your dme.
The 3.6l or newer u would need an entire care as a donor and get very expensive.
Same vintage 3.2l boxter motors can also be used.
Yes thats why i mentioned it. Blocks r basically the same, but there r some mounting differences on some parts. Sorry i dont know the specifics, but its been done a few times. Google search will be your friend or post a thread with as a new topic title so those that have done it may speak up.
Should. Block and heads r the same. I would swap or buy sensors form your original year and reuse the throttle body. The computer doesnt care about the block or head, just the electronics.
911 CARRERA +M620 C4 M96.02 99 X 68X 00501>60000 6ZYL/3,4L /220 KW
found out I have one of these. 68X is a 1999 C4 in a 2000 Cabrio. chassis has 400,000, engine has 10K on recent rebuild.
Great info! Thanks!
This is a source reference. Confirm exact model applicability in the original material.
